diff --git a/CHANGES.md b/CHANGES.md
index 27b002e842..ad4fa40085 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](https://semver.org/).
 
+## 11.6.0 2021-08-25
+
+### Other changes
+* Atomic memory function only for shader storage block member or shared variable
+* Add support for gl_MaxVaryingVectors for ogl
+* Fix loading bool arrays from interface blocks
+* Generate separate stores for partially swizzled memory stores
+* Allow layout(std430) uniform with GL_EXT_scalar_block_layout
+* Support for pragma STDGL invariant(all)
+* Support for GL_NV_ray_tracing_motion_blur
+
 ## 11.5.0 2021-06-23
 
 ### Other changes
diff --git a/known_good.json b/known_good.json
index d40b91c5dc..e1c2ce81b8 100644
--- a/known_good.json
+++ b/known_good.json
@@ -5,14 +5,14 @@
       "site" : "github",
       "subrepo" : "KhronosGroup/SPIRV-Tools",
       "subdir" : "External/spirv-tools",
-      "commit" : "54524ffa6a1b5ab173ebff89fb31e4a21d365477"
+      "commit" : "1fbed83c8aab8517d821fcb4164c08567951938f"
     },
     {
       "name" : "spirv-tools/external/spirv-headers",
       "site" : "github",
       "subrepo" : "KhronosGroup/SPIRV-Headers",
       "subdir" : "External/spirv-tools/external/spirv-headers",
-      "commit" : "4cce109bcdb7fbb028d21230f07ea292a684bea1"
+      "commit" : "449bc986ba6f4c5e10e32828783f9daef2a77644"
     }
   ]
 }